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Related Concept Videos

Protein Modifications in the RER01:26

Protein Modifications in the RER

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Modification of secretory and transmembrane proteins entering the rough ER begins in the ER lumen. These modifications aid in protein folding and stabilize the acquired tertiary structure. Protein modifications in the rough ER co-occur at different stages of protein folding.
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Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
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Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
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Pathophysiology of Diabetes01:20

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Related Experiment Video

Updated: Jun 30, 2025

Mouse Electroacupuncture Fixation Device Fabrication for Electroacupuncture Pretreatment in Diabetic Cardiomyopathy Mouse Model
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Post-translational modifications in diabetic cardiomyopathy.

Zhi Li1, Jie Chen1, Hailong Huang2

  • 1Department of Cardiology, The First Hospital of China Medical University, Shenyang, China.

Journal of Cellular and Molecular Medicine
|March 18, 2024
PubMed
Summary

Diabetic cardiomyopathy involves complex protein changes. This review details post-translational modifications like O-GlcNAcylation and phosphorylation, and discusses targeted drug strategies for this diabetes complication.

Keywords:
O-GlcNAcylationacetylationdiabetic cardiomyopathymethylationphosphorylationpost-translational modificationsubiquitination

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Area of Science:

  • Cardiovascular Research
  • Endocrinology
  • Molecular Biology

Background:

  • Diabetic cardiomyopathy (DCM) is a recognized complication of diabetes mellitus.
  • Understanding DCM pathogenesis is crucial for developing diagnostic and therapeutic strategies.
  • Post-translational modifications (PTMs) significantly influence protein function and cellular homeostasis.

Purpose of the Study:

  • To provide a comprehensive review of PTMs in diabetic cardiomyopathy.
  • To explore the role of specific PTMs in DCM initiation and progression.
  • To discuss emerging drug development strategies targeting PTMs in DCM.

Main Methods:

  • Literature review of studies investigating PTMs in diabetic cardiomyopathy.
  • Analysis of common PTMs including O-GlcNAcylation, phosphorylation, methylation, acetylation, and ubiquitination.
  • Examination of drug development approaches targeting PTM pathways.

Main Results:

  • Several PTMs, including O-GlcNAcylation and phosphorylation, are implicated in DCM.
  • Dysregulation of these PTMs contributes to the development and progression of cardiac dysfunction in diabetes.
  • Targeting PTMs offers promising avenues for novel therapeutic interventions.

Conclusions:

  • PTMs play a critical role in the pathogenesis of diabetic cardiomyopathy.
  • Targeted therapies modulating PTMs, such as using agonists, inhibitors, or PROTAC technology, hold potential for treating DCM.
  • Further research into PTMs is essential for advancing clinical management of diabetic cardiomyopathy.